protected void btnLogin_Click(object sender, EventArgs e) { var context = new BlogumDBEntities(); foreach (var user in context.Admin) { if (user.UserName == txtUserName.Text && user.Password == txtPassword.Text) { Session["adminSession"] = txtUserName.Text; Session.Timeout = 30; Response.Redirect("~/AdminPanel/Article/ArticleList.aspx"); } else { txtUserName.Text = ""; txtPassword.Text = ""; } } }